Finding the Fourth Proportional to 12,473,379.30, 18,696,072.15 and 7,084,611.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,473,379.30 : 18,696,072.15 = 7,084,611.30 : x
2. Step 2: Convert to fraction form
   12,473,379.30/18,696,072.15 = 7,084,611.30/x
3. Step 3: Cross multiply
   12,473,379.30x = 18,696,072.15 × 7,084,611.30
4. Step 4: Simplify right side
   12,473,379.30x = 132,454,404,019,505.28
5. Step 5: Solve for x
   x = 132,454,404,019,505.28/12,473,379.30
6. Step 6: Final answer
   x = 10,618,967.07